Use of Renewable Feedstocks - Ideally, we would use only raw materials and feedstocks that are renewable rather than depending on and depleting finite resources like the “endangered elements.” ...

These are the materials included on the European Commission's official list of critical raw materials. The list identifies 34 individual critical ... phosphate rock, phosphorus, rare earth elements ...

So, what is "raw earth"? Well, that's a good question. Here's a possible answer. Rare-earth metals and elements such as lanthanum and lutetium are raw materials of which there are limited ...

Staff Reporter Landscape photography is an intimate dialogue between the photographer and nature, a process of emotional expression, and ...